Cylinder for drug injector



FIG. 1 is a perspective view of a cylinder for drug injector showing anew design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in FIG. 5 depict portions of the cylinder for druginjector that form no part of the claimed design.

CLAIM The ornamental design for a cylinder for drug injector, as shownand described.